Boil the chicken for about 20 minutes with a clove of garlic. Let cool, then shred into small pieces.Preheat oven to 350F. Lightly grease the bottom of a 13 x 9 pan. Smash the whole bag of Doritos into crumb. Mix all canned goods on low heat with wisk until well mixed.Place a layer of Doritos on bottom of pan, followed by some chicken, followed by about half of the sauce, and a layer of cheese. Then repeat until you fill the dish [this should be the last layer]. Bake for 20 - 30 minutes, depending on how melted the cheese is on top.